NPPES file of Aug 9, 2026

Ashley Daisy Peterson-Briggs, MD

Family Medicine Physician · Medford, OR

Ashley Daisy Peterson-Briggs, MD is a family medicine physician with a practice address in Medford, Oregon, and NPI 1881615417, issued on Jul 21, 2006. Check the license (Oregon MD20945, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881615417
Name
Ashley Daisy Peterson-Briggs
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD20945 OR
20945MD OR
Self-reported in NPPES; status is on the state search
Practice location
229 W Stewart Ave, Medford, OR 97501
Phone
(541) 618-6444
Enumerated
Jul 21, 2006
Record last updated
Mar 7, 2023
Fax
(541) 618-6452
Medicaid ID
150769 OR
Medicare enrollment
Enrolled (PECOS I20070213000234); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →

Also registered at 229 W Stewart Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Caryn Belafsky, MDFamily Medicine Physician1902823735
  2. Dea Collins, MSN, FNPFamily Nurse Practitioner1063418697
  3. Alexa Diaz, MEDICAL INTERPRETERInterpreter1982256178
  4. Denise Ledbetter, PAPhysician Assistant1770538498
  5. Thomas Margulies, M.D.Internal Medicine Physician1477575835
  6. Denise Plumb, MDFamily Medicine Physician1699138917

Verify Ashley Daisy Peterson-Briggs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD20945    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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26% more Medicare Part D claims than the average family medicine physician in 2024

4,452 Medicare Part D claims for 244 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 285 claims were for opioids.

  1. Ashley Peterson-Briggs4,452
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium232 claims
  2. Lisinopril178 claims
  3. Losartan Potassium165 claims
  4. Atorvastatin Calcium157 claims
  5. Hydrocodone-Acetaminophen149 claims
  6. Rosuvastatin Calcium137 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $15.83

1 payment: food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ashley Peterson-Briggs$15.83
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Rogue Valley PhysiciansMedford, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ashley Daisy Peterson-Briggs among 2,847 family medicine physician records in Oregon

Ashley Daisy Peterson-Briggs, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1996 · median 2009 among the 1,671 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

93 family medicine physician records list a practice address in Medford

They are 93 of the 4,542 NPPES records with a practice address in Medford, and 2,847 family medicine physician records in Oregon.

All 2,847 in Oregon → Every provider in Medford → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Caryn Belafsky, MDMedford, OR 975011902823735
  2. Shireen Chamberland, MDMedford, OR 975011013973064
  3. Victoria Cordy, M.D.Medford, OR 975011497919161
  4. Mary Cutler, MDMedford, OR 975011649231523
  5. Pamela Demian, M.D.Medford, OR 975011336226927
  6. Thomas Hartkop, DOMedford, OR 975011457365645
  7. Shirley Malcolm, DOMedford, OR 975011316951510
  8. Jamie Osborn, M.D.Medford, OR 975011316972193

Common questions

What is Ashley Daisy Peterson-Briggs, MD's NPI number?

Ashley Daisy Peterson-Briggs, MD's National Provider Identifier (NPI) is 1881615417, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Daisy Peterson-Briggs, MD located?

The NPPES record lists a practice address at 229 W Stewart Ave, Medford, OR, 97501. Phone: (541) 618-6444. Providers update this record themselves, so call before visiting.

How can I verify Ashley Daisy Peterson-Briggs, MD's license?

NPPES lists Oregon license number MD20945, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ashley Daisy Peterson-Briggs, MD prescribe under Medicare Part D?

In 2024, Ashley Daisy Peterson-Briggs, MD had 4,452 Medicare Part D claims for 244 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.